Home / 108,207.14-163,049.31-88,917.80

Finding the Fourth Proportional to 108,207.14, 163,049.31 and 88,917.80

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Solution

The fourth proportional to 108,207.14, 163,049.31 and 88,917.80 is: 133,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,207.14 : 163,049.31 = 88,917.80 : x
  2. Step 2: Convert to fraction form
    108,207.14/163,049.31 = 88,917.80/x
  3. Step 3: Cross multiply
    108,207.14x = 163,049.31 × 88,917.80
  4. Step 4: Simplify right side
    108,207.14x = 14,497,985,936.72
  5. Step 5: Solve for x
    x = 14,497,985,936.72/108,207.14
  6. Step 6: Final answer
    x = 133,983.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.